Search: id:A068031
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%I A068031
%S A068031 1,1,1,1,2,4,7,13,26,52,104,206,410,820,1640,3280,6556,13108,26216,
%T A068031 52432,104864,209720,419432,838864,1677728,3355456,6710896,13421776,
%U A068031 26843552,53687104,107374208,214748384,429496736,858993472,1717986944
%N A068031 Number of subsets of {1,2,3,...,n} that sum to 0 mod 10.
%Y A068031 10th row of A068009.
%Y A068031 Sequence in context: A103204 A017995 A099155 this_sequence A023431 A025246 
               A112740
%Y A068031 Adjacent sequences: A068028 A068029 A068030 this_sequence A068032 A068033 
               A068034
%K A068031 nonn
%O A068031 0,5
%A A068031 Antti Karttunen, Feb 11 2002

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